I need to device a way to learn if the user who surfs to my site has dotnet framework installed on his computer, and which version (less important).
I need this to work at least with Firefox and IE 7 and up.
Any ideas?
(Is there any web service the Framework on the ‘localhost’ exposes?)
.NET Framework alters the user agent of the popular browsers. You can check the user agent to find out.
Firefox:
IE: